The BGP Instability Report is updated daily. This report
was generated on 03 July 2009 01:38 (UTC+1000)
50 Most active ASes for the past 7 days
50 Most active ASes for the past 7 days
50 Most active Prefixes for the past 7 days
7 Day BGP Profile: 25-June-2009 00:00 - 2-July-2009 23:59 (UTC+1000)
| Number of BGP Update Messages: | 1323266 | |
| Number of Prefix Updates: | 1947103 | |
| Number of Prefix Withdrawals: | 90034 | |
| Average Prefixes per BGP Update: | 1.54 | |
| Average BGP Update Messages per second: | 1.91 | |
| Average Prefix Updates per second: | 2.95 | |
| Peak BGP Update Message Rate per second: | 7176 | (16:42:00 Tue, 30-Jun-2009) |
| Peak Prefix Update Rate per second: | 1826 | (17:39:10 Sat, 27-Jun-2009) |
| Peak Prefix Withdraw Rate per second: | 28602 | (23:36:25 Fri, 26-Jun-2009) |
| Prefix Count: | 301445 | |
| Updated Prefix Count: | 285288 | |
| Stable Prefix Count: | 16157 | |
| Origin AS Count: | 31780 | |
| Updated Origin AS Count: | 31274 | |
| Stable Origin AS Count: | 506 | |
| Unique Path Count: | 160979 | |
| Updated Path Count: | 125420 | |
| Stable Path Count: | 35559 |
Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type
Hourly Peak of Per-Second Updated Prefix Rate by Update Type
BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates
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The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.